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Rotator Cuff (Group)
Region: Shoulder & Arm Muscles · All shoulder & arm muscles
Rotator Cuff (Group) at a glance
| Origin | Scapula (supraspinous, infraspinous and subscapular fossae, and lateral border) |
|---|---|
| Insertion | Greater and lesser tubercles of the humerus |
| Actions | Holds the humeral head centred in the socket; Fine rotation of the arm |
| Nerve supply | Suprascapular, axillary and subscapular nerves (C5–C7) |
◆ Good to know
The four cuff muscles — supraspinatus, infraspinatus, teres minor and subscapularis ('SITS') — are covered individually in this guide; the group acts as the shoulder's dynamic stabiliser.
More Shoulder & Arm Muscles
Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.